Final answer:
Macbeth receives multiple items of news in Scene 3. One news item confirms the witches' prophecy, filling him with ambition. Another news item frustrates and angers him, as it hinders his chances of becoming king. The third news item instills paranoia and fear within him.
Step-by-step explanation:
Macbeth receives multiple items of news in Scene 3 of the play. The effect of each news item is as follows:
1. Macbeth learns that he has been named the Thane of Cawdor, which confirms the first of the witches' prophecies. This news fills him with ambition and makes him contemplate the possibility of becoming king.
2. Macbeth also hears that King Duncan has appointed his son, Malcolm, as the Prince of Cumberland, making him the heir to the throne. This news frustrates and angers Macbeth, as it seems to hinder his chances of becoming king.
3. Lastly, Macbeth is informed of Banquo's role in the prophecy, that his descendants will be kings. While Macbeth initially dismisses this news, it instills a sense of paranoia and fear within him.